16,640 questions with Exchange-related tags

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2 answers One of the answers was accepted by the question author.

Can Message Recall be enabled for specific users only

Hi Microsoft Community, We have disabled Cloud-based Message Recall for our tenant from Exchange Admin Center → Settings → Mail flow → Message Recall. Our requirement is to keep Message Recall disabled for all users, but enable it only for a few selected…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-20T08:11:33.93+00:00
Vinay Shivakoti 0 Reputation points
accepted 2026-09-20T10:27:07.32+00:00
Vinay Shivakoti 0 Reputation points
1 answer

Error E6118 when purchasing additional Exchange Online licenses

We cannot purchase additional Exchange Online licenses through the Microsoft 365 admin center.   We previously purchased licenses successfully, but increasing the license quantity now fails with error E6118.   The error message, translated from Japanese,…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-20T04:30:05.77+00:00
西岡 祥貴 0 Reputation points
edited an answer 2026-09-20T05:12:34.3133333+00:00
Teddie Dang 1,270 Reputation points Independent Advisor
2 answers

Unable to see Calendar for Online Archive

After applying a retention policy configured to move the entire mailbox content older than 2 years to the In‑Place Archive, all items were archived as expected. As a result: Older calendar appointments are no longer visible in the primary mailbox…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-03-12T11:36:04.3333333+00:00
Amedeo 0 Reputation points
commented 2026-09-19T18:11:50.7033333+00:00
Marnix Kasper 0 Reputation points
2 answers

My subscription is lost after iOS 27 download. Unable to get online and have no emails.

On my Mac I upgraded to iOS 27 and now I have no outlook.

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-19T08:56:58.3633333+00:00
gary moores 5 Reputation points
recommended 2026-09-19T11:19:49.3033333+00:00
Daniel-Vo 6,450 Reputation points Microsoft External Staff Moderator
1 answer

Microsoft Graph sendMail gets 550 5.7.708 AS(7910), but Outlook on the web succeeds for the same mailbox and recipient

We have a Microsoft 365 mailbox purchased through GoDaddy. Our application sends low-volume, user-requested registration/sign-in OTP emails through Microsoft Graph using app-only authentication and Exchange Online Application RBAC scoped to one sender…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-19T10:25:14.8333333+00:00
PinJyun Liu 0 Reputation points
answered 2026-09-19T11:16:47.8866667+00:00
Jayden-P 2,855 Reputation points Independent Advisor
2 answers

NDR 550 5.1.90 – Daily Recipient Limit Exceeded for Service Account | Urgent Assistance Required

NDR 550 5.1.90 – Daily Recipient Limit Exceeded for Service Account | Urgent Assistance Required

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

1,007 questions
asked 2026-05-12T07:46:05.8066667+00:00
Priyadharshini K 0 Reputation points
answered 2026-09-19T00:51:44.3266667+00:00
Robin Poulose Edapilly 231 Reputation points Microsoft External Staff
5 answers

Using mail enabled security groups for access to a shared mailbox

I've been searching for a solution, but until now couldn't find one. We are using an Exchange 2019 environment which include users and shared mailboxes. Due to the fact that we would like to use IAM software we would like to have access to a shared…

Microsoft 365 and Office | Install, redeem, activate | For business | Windows
Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

1,007 questions
asked 2025-01-31T08:46:02.76+00:00
Bakker, Ron 0 Reputation points
answered 2026-09-18T19:51:14.1033333+00:00
Tenvero 0 Reputation points
3 answers

Exchange Admin - Migration Endpoints are Missing / not showing

Hello Guys, were running Hybrid Exchange Environment. Since last Week im no longer able to load our Migration Endpoints. https://admin.cloud.microsoft/exchange#/migrationbatch I got the Role "Exchange Admin" and cant see the Endpoints. My…

Exchange | Hybrid management
Exchange | Hybrid management

The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.

2,457 questions
asked 2026-09-04T07:43:37.52+00:00
Bantha 0 Reputation points
commented 2026-09-18T18:25:37.14+00:00
Hani-Ng 1,415 Reputation points Independent Advisor
4 answers

Connect-exchangeonline in azure shell not possible anymore

Hello, When connecting to exchange online on the Azure cloud shell, using connect-exchangeonline, I get: PS /home/myself> Connect-ExchangeOnline OperationStopped: UnAuthorized PS /home/myself> get-module…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

1,007 questions
asked 2025-11-01T10:57:04.8533333+00:00
Michelangelo Bottura 156 Reputation points
commented 2026-09-18T08:04:19.2433333+00:00
Alberto Semenzato 0 Reputation points
2 answers One of the answers was accepted by the question author.

Creation of shared mailbox failed saying "email address already being used" but this is the only Exchange server for the domain

I recently moved a domain from SimpleLogin to Exchange, and I want to create a shared mailbox for ******@moveddomain.com, but I get an error message saying the email address is already in use so Exchange can't create a shared mailbox. It is true…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

8,202 questions
asked 2022-09-05T20:15:45.567+00:00
Wildcat63 21 Reputation points
commented 2026-09-18T03:15:35.1+00:00
Ash9 96 Reputation points
2 answers

Outlook send and receive email issue - outlook not connected

my outlook is not connecting to exchange server, so not able to send and receive email

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other

A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.

1,650 questions
asked 2026-09-17T05:01:10.75+00:00
Seetharaman Venkataraman 0 Reputation points
commented 2026-09-18T00:32:40.57+00:00
Dora-T 1,050 Reputation points Independent Advisor
1 answer

This backend upgrade/provisioning state is blocking our PST migration

We are migrating our organization's email to Exchange Online and need to import PST files through Microsoft Purview. I need to assign the Exchange Online Mailbox Import Export role, but the tenant requires Organization Customization…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-17T23:29:54.2033333+00:00
Brian Stutesman 0 Reputation points
edited an answer 2026-09-18T00:03:48.74+00:00
Teddie Dang 1,270 Reputation points Independent Advisor
2 answers

Exchange 2010 SBS POP3 Connector

****Exchange 2010 SBS POP3 Connector supports to download and distribute the mail from external pop3 mail servers. I have queries below. I am looking for answers from Technical Members.** 1. What is the new version in Exchange SBS. 2. The new version of…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

8,202 questions
Windows for business | Windows Server | Devices and deployment | Set up, install, or upgrade
asked 2021-01-22T12:29:23.807+00:00
Amjed Ali 1 Reputation point
answered 2026-09-18T00:03:21.1666667+00:00
Claus Christensen, Servolutions 5 Reputation points
1 answer

Sender Based Routing Exchange

Good afternoon group, thanks in advance for your answers, how do I create a custom dll to use in exchange 2019 so that the option to use the correct send connector according to the sender, assuming I have 2 or more email domains, can be done effectively…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

8,202 questions
asked 2022-11-13T19:09:55.273+00:00
José Briceno 1 Reputation point
answered 2026-09-18T00:02:35.1933333+00:00
Claus Christensen, Servolutions 5 Reputation points
1 answer

Exchange 2019 onprem "route outgoing emails based rules

Dear Exchange expert, how to route outgoing emails(selection of smart host) based sender domain or group membership to smart host without use of any third party software. Let say you want to route messages from members of a certain group to a smart host…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other

A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.

1,650 questions
asked 2024-09-21T17:48:28.42+00:00
Zeeshan Butt 21 Reputation points
commented 2026-09-17T23:57:49.9266667+00:00
Claus Christensen, Servolutions 5 Reputation points
2 answers

Email IMAP migration to on-premises Exchange server

How can i migrate emails from an IMAP server to Exchange on-premises mailboxes without using a third party tool.

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other

A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.

1,650 questions
asked 2026-01-13T10:10:33.6533333+00:00
John Adegbite 0 Reputation points
commented 2026-09-17T23:53:56.35+00:00
Claus Christensen, Servolutions 5 Reputation points
1 answer One of the answers was accepted by the question author.

Domain "already added to a different Microsoft 365 organization" — need domain released from a tenant I don't control

Issue: We own the domain heritageconsultants.net and am trying to add it to my Microsoft 365 organization. When I add it, verification succeeds, but I get this error: "We have confirmed that you own heritageconsultants.net, but we can't add it to…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-17T17:47:05.73+00:00
Holly Rockwell 20 Reputation points
accepted 2026-09-17T19:52:38.1633333+00:00
Holly Rockwell 20 Reputation points
1 answer

Exchange online mailbox provisioning issue

I've been running into a problem where the provisioning script fails to create an Exchange Online mailbox for a newly hired employee. The script completes without errors, but the mailbox simply doesn’t appear in the admin center. I’ve already checked the…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-17T07:35:54.8833333+00:00
Fedda306 Anadi 20 Reputation points
answered 2026-09-17T09:22:00.2466667+00:00
Heimerdinger 385 Reputation points Independent Advisor
2 answers One of the answers was accepted by the question author.

Microsoft Exchange Server Subscription Edition (SE) CU

Hi All, I am using Exchange Server Edition (SE) Hybrid Environment. All users are created in onprem and migrated to online. I am currently running Microsoft Exchange Server Subscription Edition (SE) RTM with the February 2026 Security Update (Feb26SU).…

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

8,202 questions
asked 2026-09-15T13:22:58.79+00:00
Glenn Maxwell 14,206 Reputation points
accepted 2026-09-17T07:31:07.48+00:00
Glenn Maxwell 14,206 Reputation points
1 answer

Exchange Server 2016

Hi, I’m currently working on an Exchange Server 2016 environment and I’m having some trouble understanding how the different components should be configured together. For example, if I have multiple Exchange 2016 servers behind a load balancer, with a…

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other

A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.

1,650 questions
asked 2026-09-16T04:17:03.24+00:00
Zizu Oslo 0 Reputation points
commented 2026-09-17T01:27:04.77+00:00
Dora-T 1,050 Reputation points Independent Advisor